Rosario. Rosario (Spanish pronunciation: [ro??sa??jo]) is the largest city in the central Argentine province of Santa Fe. The city, located 300 km (186 mi) northwest of Buenos Aires on the west bank of the Paran?? River, is the third-most populous city in the country after Buenos Aires and Cordoba. With a growing and important metropolitan area, Greater Rosario has an estimated population of 1,750,000 as of 2020. One of its main attractions includes the neoclassical, Art Nouveau, and Art Deco architecture that has been preserved in hundreds of residences, houses and public buildings. The city is also famous for being the birthplace of the legendary Argentine footballer Lionel Messi. Rosario is the head city of the Rosario Department and is located at the heart of the major industrial corridor in Argentina. The city is a major railroad terminal and the shipping center for north-eastern Argentina. Ships reach...